Home / 792,360.48-1,188,110.64-359,840.40

Finding the Fourth Proportional to 792,360.48, 1,188,110.64 and 359,840.40

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Solution

The fourth proportional to 792,360.48, 1,188,110.64 and 359,840.40 is: 539,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,360.48 : 1,188,110.64 = 359,840.40 : x
  2. Step 2: Convert to fraction form
    792,360.48/1,188,110.64 = 359,840.40/x
  3. Step 3: Cross multiply
    792,360.48x = 1,188,110.64 × 359,840.40
  4. Step 4: Simplify right side
    792,360.48x = 427,530,207,941.86
  5. Step 5: Solve for x
    x = 427,530,207,941.86/792,360.48
  6. Step 6: Final answer
    x = 539,565.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.